JSM XCalibur+ Manuale utente

Instruction

Manual

Speciﬁcation:

Wingspan: 2338mm (92”)

Length: 2412mm (95”)

Weight: 13.25Kg (Approx.)

Radio: 8 Channel (Minimum Required)

Turbine: 80-160N (8-16Kg) (Recommended)

Page 2

Congratulations on your purchase of the Xcalibur+ Jet. This high performance model is ideal for use

as a ﬁrst jet or as a sports jet model.

Before you build the model, please read the instructions the whole way through to understand the

construction sequence.

Warning: The Xcalibur+ has been designed to enable turbines of 80 to 160 Newtons thrust to

be installed, however it is VERY important to note that if turbines of over 120 Newtons thrust are

ﬁtted, full power should not be used for any extended diving manoeuvres, as this will lead to speed

in excess of the design speciﬁcations. The use of full power in level ﬂight or climbing manoeuvres

is completely acceptable. As the Xcalibur+ is a light and low drag airframe, turbines of more than

80 Newtons can have their maximum thrust level reduced within the ECU, which will in turn reduce

the fuel consumption and thus increase ﬂight time, extending the period between services due to the

lower stress on the turbine yet still give the model superb performance including prolonged vertical

climbs.

• Turbine of 80 – 160 Newton (8 to 16Kg)

thrust

• Retractable Undercarriage set complete

with Wheels/Brakes (F-JSMLG/LRGTRIKE

recommended as this has been designed

speciﬁcally for the Xcalibur+)

• Fuel tank (L-JSM002/FT recommended as

this has been designed speciﬁcally for the

Xcalibur+)

• Suitable radio system of at least 8 channels

with receiver and battery pack/s of at least

2,400mAh total capacity) Twin battery

packs with battery system/backer are highly

recommended.

• 2 Standard size servos for ailerons of at least

10Kg/cm torque

• 2 Standard servos for rudders of at least

6.5Kg/cm torque

• 2 Standard size servos for elevator of at least

10Kg/cm torque

• 1 Standard size servo for ﬂap of at least

10Kg/cm torque

• 1 Standard size metal gear servo for

nosewheel steering

• 2 Servos for retract and brake valves or 2

electronic valves

• Various extension leads for rudder, elevator,

aileron and ﬂap servos

• Tygon fuel line

Introduction

Required to Complete

Page 3

Check the ﬁt of the aileron to the wing panel. If there

is any misalignment the holes in the trailing edge of

the wing can be slotted as required for the hinges.

Run glue into the holes in the trailing edge of the wing

panel and onto the exposed hinges, then ﬁt the aileron

to the wing panel. Wipe away any excess glue,

some tissue or a rag can be used soaked in Cellulose

Thinners or similar to remove the glue cleanly. (Take

great care when using solvents such as these)

Attach the aileron control horn being careful to

position over the hardpoint under the ﬁlm to give a

secure mounting point.

Install one of the aileron servos to the mounting plate

as shown, then ﬁt a suitable extension lead, long

enough to reach the wing root. Secure the leads

together using a short section of heatshrink, tape or a

lead lock.

Use the pre-installed cord in the wing panel to pull

the servo extension lead though the wing panel, then

screw the aileron mounting plate into place as shown.

Make up the aileron pushrod and ﬁt this, ensuring

that keepers are ﬁtted for security. The slot in the plate

should be trimmed as required to allow free movement

of the servo arm and pushrod. Repeat entire assembly

procedure for the second wing.

Step 1

Step 2

Step 3

Step 4

Step 5

Page 4

Hinge the elevator to the tailplane in the same way as

the ailerons were ﬁtted to the wing panels.

Install the ﬁrst elevator servo onto the mounting plate

in the same way as was done with the aileron servo,

then feed the servo lead through the servo lead tube

built-in to the tailplane.

Make sure that the servo lead is fed out through the

circular hole in the ply plate as shown, then tape the

lead in place until the tailplane is to be ﬁtted to the

tailbooms.

Screw the servo mounting plate into place, ﬁt the

elevator control horn and make up and ﬁt the pushrod

as shown, ﬁtting keepers to the clevises for security.

The slot in the hatch should be trimmed as required to

allow free movement of the servo arm and pushrod.

Repeat the assembly procedure for the second

elevator servo - note that as the servos are ﬁtting in the

same orientation as each other there is no requirement

for one of the servos to be reversed, allowing a single

receiver channel to be used.

Step 6

Step 7

Step 8

Step 9

Step 10

Page 5

Fit the rudders to the tail booms, installing the

hinges in a similar manner to that illustrated for

the elevator, note that the rudders are handed

and have hard points for the control horns on

the inboard sides, and the rudder servos are

consequently ﬁtted on the inboard sides of the

booms

Run extension leads through both of the tail booms

for the elevator and rudder servos.

Install the rudder servos as shown, with the output

arm towards the rear of the boom.

Attach the control horn to the rudder and make up the

rudder pushrod in the same way as the elevator

previously, making sure that keepers are

ﬁtted to the clevises for security. Note the angle of

the servo arm at neutral, this is to match the angle of

the leading edge of the rudder, so as to obtain equal

movement in both directions. Repeat for the second

tail boom.

Before you install the retracts we advise you remove

the screws and re-install them using locktite. You can

do this one at a time so you don’t need to disassemble

the retract. Continue this process with the oleo legs

and the wheel hubs.

Step 11

Step 12

Step 13

Step 14

Step 15

Page 6

Test ﬁt the main undercarrage and pre-drill the

mounting holes. Use a felt tip pen to mark the sides of

the recess where the air line holes are needed.

Test ﬁt the nose undercarriage and pre-drill the

mounting holes. Using a pen mark two holes for the

air lines.

Remove the main undercarriage and drill the holes for

the airlines as shown.

Remove the nose undercarriage and drill the holes for

the airlines as shown.

Drill or cut a hole as shown in the former alongside

the fuel tank mounting plate, making this large enough

for the air lines and servo extension leads. Repeat for

the other side.

Step 16

Step 17

Step 18

Step 19

Step 20

Page 7

Fit the nose retract, having previously connected the

air lines, and run these back into the main equipment

bay.

Install the main retracts, legs and wheels as shown,

running the retract and brake airlines into the

fuselage. Check that the legs/wheels retract fully, a

small amount of trimming of the underside fuselage

skin may be required to achieve this.

Neaten the main brake airlines using electrical tape

and run them as shown. Take care to ensure that the

line will not be pinched when retracted.

Run the airlines under the air intake ducting, then

towards the front of the fuselage through the holes in

the side former made earlier. Secure using tape to

stop rattling and rubbing.

The nosewheel steering servo should be installed as

shown with the output shaft towards the rear of the

fuselage.

Step 21

Step 22

Step 23

Step 24

Step 25

Page 8

Holes need to be drilled in the retract bay for the

steering cables to run into the fuselage. Attach the

closed loop cables to the nose leg and crimp ﬁrmly to

secure.

Fit the clevises and closed loop adapters to the

centred servo arm and attach the closed loop cables

to the adapters, crimping securely. It can be

helpful to have someone hold the noseleg straight

while you remove slack from the cables.

Install the retract and brakes valves/servos as shown

on the left hand equipment plate, and connect up the

air lines. The ﬁll valve can also be ﬁtted to this plate.

The air tanks are ﬁtted beneath the equipment plates

and are secured in place with some small dabs of

silicon sealant.

Install the ﬂap servo with the output arm towards the

front of the fuselage.

Fit the ﬂap to the fuselage using hinges in a similar

manner to that illustrated for the elevator, hold the ﬂap

in correct position with tape whilst the glue cures, to

ensure free movement without jamming. Connect the

linkage as shown.

Step 30

Step 31

Step 32

Step 33

Step 34

Page 9

Prepare the fuel system for the tank as shown – it is

strongly recommended that all fuel lines are safety

wired to all tubes/ﬁttings to eliminate any leakage or

possibility of the fuel lines becoming detached. Note

the use of a felt clunk to eliminate any air bubbles

being passed through to the turbine. Complete

tank assembly and then check for leaks by sealing

the pipes and plunging the tank into hot water to

pressurise. If any leaks are found they can be sealed

with a drop of cyano or 5-minute epoxy.

Fit the fuel tank and retain with a small amount of

servo tape onto the mounting plate and two heavy

duty cable ties – tighten these snugly, but do not

overtighten, as the fuel tank may be damaged. Glue a

short length of brass or aluminium tubing through the

bottom of the fuselage and connect the overﬂow pipe

from the tank to this.

Mount the turbine being used with self tapping screws,

note the use of a FOD guard. The fuel and kerostart

lines should be run down one side of the fuselage with

the electrical cables run down the other side.

Install the header tank (if used) towards the front of the

fuselage as shown, in this case the tank was secured

to a ply mounting plate using servo tape and cable

ties, with the plate itself being attached to mounting

rails using small self tapping screws. As nose weight

will be required unless a very light turbine is being

used, ensure that as much of the heavy equipment as

possible is mounted as far forward in the fuselage as

is possible whilst ensuring easy access.

Install the ECU on the left hand side of the fuselage on

the equipment plate. Secure using double sided tape

to dampen vibrations and a cable tie. Fit I/O board.

Step 35

Step 36

Step 37

Step 38

Step 39

Page 10

Install the receiver on the right hand equipment plate

using double sided tape and neaten the wiring using

cable ties.

Install the switch and regulator/power system (if used)

in front of the receiver, ensuring easy access to the

switch when the canopy is removed.

ECU and receiver battery packs should be mounted

as far forward as possible to reduce the amount of

nose weight required. Do make sure that the nose

moulding will still ﬁt correctly when the battery packs

are installed.

The right side equipment plate carries the receiver,

switch and power system, note also that the fuel tubing

from main to header tank is secured along the plate,

and the run of the overﬂow tube from the main tank to

the brass tube glued through the fuselage underside.

Typical layout of equipment shown from the right hand

side, note the forward position of the relatively heavy

fuel pump, just ahead of the header tank.

Step 40

Step 41

Step 42

Step 43

Step 44

Indice

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